557661143 has 8 divisors (see below), whose sum is σ = 601902000. Its totient is φ = 513612288.

The previous prime is 557661127. The next prime is 557661163. The reversal of 557661143 is 341166755.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 557661143 - 2⁴ = 557661127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 557661097 and 557661106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557661163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41933 + ... + 53606.

It is an arithmetic number, because the mean of its divisors is an integer number (75237750).

Almost surely, 2^557661143 is an apocalyptic number.

557661143 is a deficient number, since it is larger than the sum of its proper divisors (44240857).

557661143 is a wasteful number, since it uses less digits than its factorization.

557661143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96001.

The product of its digits is 75600, while the sum is 38.

The square root of 557661143 is about 23614.8500524564. The cubic root of 557661143 is about 823.1079471613.

The spelling of 557661143 in words is "five hundred fifty-seven million, six hundred sixty-one thousand, one hundred forty-three".